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• CodeCoverageMojo.java

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org.apache.maven.dotnet.CodeCoverageMojo Maven / Gradle / Ivy

/*
 * Maven and Sonar plugin for .Net
 * Copyright (C) 2010 Jose Chillan and Alexandre Victoor
 * mailto: [email protected] or [email protected]
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */

/*
 * Created on Apr 16, 2009
 */
package org.apache.maven.dotnet;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.commons.lang.StringUtils;
import org.apache.maven.dotnet.commons.project.VisualStudioProject;
import org.apache.maven.dotnet.commons.project.VisualStudioSolution;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.logging.Log;
import org.codehaus.plexus.util.cli.Commandline;

/**
 * Generates a coverage report on a .Net project or solution using the unit
 * tests and PartCover/NCover
 * 
 * @goal coverage
 * @phase site
 * @description generates a report on code coverage of a .Net project or
 *              solution
 * @author Jose CHILLAN Apr 16, 2009
 */
public class CodeCoverageMojo extends GallioMojo {
  private static final String GALLIO_RUNNER_4_N_COVER = "NCover3";
  private static final String GALLIO_RUNNER_4_PART_COVER = "IsolatedAppDomain";

  /**
   * Name of the resource folder that contains the Partcover exe
   */
  public static final String PART_RESOURCE_DIR = "partcover";

  /**
   * Name of the folder that will contain the extracted PartCover
   */
  public static final String PART_EXPORT_PATH = "partcover-runtime";

  /**
   * Location of the PartCover installation.
   * 
   * @parameter expression="${partcover.directory}"
   */
  protected File partCoverDirectory;

  /**
   * Name of the PartCover executable.
   * 
   * @parameter expression="${partcover.executable}"
   *            default-value="PartCover.exe"
   */
  protected String partCoverExecutable;

  private File executable;
  
  /**
   * Namespaces and assemblies excluded from the code coverage. The format is
   * the PartCover format: "[assembly]namespace"
   * 
   * @parameter alias="coverageExcludes"
   */
  private String[] coverageExcludes;

  /**
   * Name of the coverage report XML file.
   * 
   * @parameter alias="coverageReportName" default-value="coverage-report.xml";
   */
  private String coverageReportName;

  /**
   * The output file for test.
   * 
   * @parameter alias="coverageReportFileName"
   *            default-value="coverage-test-report.xml"
   */
  private String coverageReportFileName;

  /**
   * Set this true to use NCover3 instead of PartCover
   * 
   * @parameter expression="${useNCover}"
   */
  private boolean useNCover;
  
  /**
   * List of the excluded projects, using ',' as delimiter. C# files
   * of these projects will be ignored.
   * 
   * @parameter expression="${skippedProjects}"
   */
  private String skippedProjects;

  public CodeCoverageMojo() {
  }

  /**
   * 
   * Executes for a project (not supported for coverage)
   * 
   * @param visualProject
   * @throws MojoExecutionException
   * @throws MojoFailureException
   */
  @Override
  protected void executeProject(VisualStudioProject visualProject)
      throws MojoExecutionException, MojoFailureException {
    getLog().info("Cannot launch code coverage on a single project");
  }

  @Override
  protected void executeSolution(VisualStudioSolution solution)
      throws MojoExecutionException, MojoFailureException {
    // For code coverage, we don't care of failures
    this.testFailureIgnore = true;
    super.executeSolution(solution);
    getLog().info("Finished the code coverage");
  }

  /**
   * @return
   */
  @Override
  protected String getCommandName() {
    return "Code coverage";
  }

  /**
   * Generates a part cover specific test command.
   * 
   * @param solution
   * @param testedAssemblies
   * @return the command to run
   * @throws MojoExecutionException
   * @throws MojoFailureException
   */
  @Override
  protected Commandline generateTestCommand(VisualStudioSolution solution,
      List testedAssemblies) throws MojoExecutionException,
      MojoFailureException {
    List projects = solution.getProjects();
    List coveredAssemblyNames = new ArrayList();
    
    Set skippedProjectSet = new HashSet();
    if (skippedProjects!=null) {
      skippedProjectSet.addAll(Arrays.asList(StringUtils.split(skippedProjects,",")));
    }
    
    // We build the list to of covered assemblies
    for (VisualStudioProject visualProject : projects) {
      if (!visualProject.isTest() && !skippedProjectSet.contains(visualProject.getName()) ) {
        String assemblyName = visualProject.getAssemblyName();
        coveredAssemblyNames.add(assemblyName);
      }
    }

    // Builds the launch data
    File workDir = getReportDirectory();
    File reportFile = getReportFile(coverageReportName);
    File gallioExe = getGallioExe();
    Log log = getLog();
    if (log.isDebugEnabled()) {
      log.debug("Parameters of the Coverage execution");
      log.debug(" - Use NCover ?       : " + useNCover);
      log.debug(" - PartCover          : " + executable);
      log.debug(" - Gallio             : " + gallioExe);
      log.debug(" - Covered assemblies : " + coveredAssemblyNames);
      log.debug(" - Exclusions         : " + Arrays.toString(coverageExcludes));
      log.debug(" - Work directory     : " + workDir);
      log.debug(" - Report file        : " + reportFile);
    }

    final List arguments;

    if (useNCover) {
      gallioRunner = GALLIO_RUNNER_4_N_COVER;
      arguments = generateGallioArgs(testedAssemblies);
      arguments.add("/runner-property:NCoverCoverageFile=" + reportFile);

      String includeParam = "/runner-property:NCoverArguments=//ias "
          + StringUtils.join(coveredAssemblyNames.toArray(), ";");

      arguments.add(includeParam);

      executable = getGallioExe();
    } else {
      gallioRunner = GALLIO_RUNNER_4_PART_COVER;
      List testCommandArgs = generateGallioArgs(testedAssemblies);
      // Extracts PartCover if necessary
      extractPartCover();

      arguments = new ArrayList();
      arguments.add("--target");
      arguments.add(toCommandPath(gallioExe));
      arguments.add("--target-work-dir");
      arguments.add(toCommandPath(workDir));
      // We add all the tested assemblies

      // Generates the test arguments all in one, in which the quotes needs to
      // be escaped
      StringBuilder targetArgsBuilder = new StringBuilder();
      boolean isFirst = true;
      for (String currentArg : testCommandArgs) {
        if (isFirst) {
          isFirst = false;
        } else {
          targetArgsBuilder.append(' ');
        }
        String escapedArg = escapeQuotes(currentArg);
        targetArgsBuilder.append(escapedArg);
      }
      arguments.add("--target-args");
      arguments.add(targetArgsBuilder.toString());

      // We add all the covered assemblies
      for (String assemblyName : coveredAssemblyNames) {
        arguments.add("--include");
        arguments.add("[" + assemblyName + "]*");
      }

      // We add all the configured exclusions
      if (coverageExcludes != null) {
        for (String exclusion : coverageExcludes) {
          arguments.add("--exclude");
          arguments.add(exclusion);
        }
      }
      arguments.add("--output");
      arguments.add(toCommandPath(reportFile));
    }

    Commandline commandLine = generateCommandLine(executable, arguments);
    if (log.isDebugEnabled())
      log.debug("Test-Command:" + commandLine);
    return commandLine;
  }

  /**
   * Escapes the quotes of a string.
   * 
   * @param input
   * @return
   */
  public String escapeQuotes(String input) {
    StringBuilder result = new StringBuilder(input.length());
    for (int idxChar = 0, len = input.length(); idxChar < len; idxChar++) {
      char currentChar = input.charAt(idxChar);
      if (currentChar == '"') {
        result.append('\\');
      } else if (idxChar == 0) {
        result.append("\\\"");
      }

      result.append(currentChar);

      if (currentChar != '"' && idxChar == len - 1) {
        result.append("\\\"");
      }
    }
    return result.toString();
  }

  /**
   * Extracts the part cover runtime if necessary.
   * 
   * @throws MojoExecutionException
   * @throws MojoFailureException
   */
  private void extractPartCover() throws MojoExecutionException,
      MojoFailureException {
    if (partCoverDirectory == null) {
      partCoverDirectory = extractFolder(PART_RESOURCE_DIR, PART_EXPORT_PATH,
          "PartCover");
    }
    executable = new File(partCoverDirectory, partCoverExecutable);
  }
}